378395474520 has 64 divisors (see below), whose sum is σ = 1297355915520. Its totient is φ = 86490393984.

The previous prime is 378395474497. The next prime is 378395474557. The reversal of 378395474520 is 25474593873.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225234562 + ... + 225236241.

It is an arithmetic number, because the mean of its divisors is an integer number (20271186180).

Almost surely, 2^378395474520 is an apocalyptic number.

378395474520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

378395474520 is an abundant number, since it is smaller than the sum of its proper divisors (918960441000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378395474520 is a wasteful number, since it uses less digits than its factorization.

378395474520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450470824 (or 450470820 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 57.

The spelling of 378395474520 in words is "three hundred seventy-eight billion, three hundred ninety-five million, four hundred seventy-four thousand, five hundred twenty".